A solid powder mixer

Abstract

This application relates to a solid powder mixer, comprising a mixing tank, a first stirring mechanism and a second stirring mechanism disposed within the mixing tank, a feed hopper disposed at the top of the mixing tank, a discharge port disposed at the bottom of the mixing tank, a discharge mechanism for sealing the discharge port, a fixing ring disposed on the outside of the mixing tank, and support rods disposed on opposite sides of the fixing ring; the first stirring mechanism includes a first motor disposed at the center of the top of the mixing tank, a main shaft fixedly connected to the drive shaft of the first motor, and a plurality of first stirring blades disposed on the main shaft; the second stirring mechanism includes a second motor disposed at the top of the mixing tank, a side shaft fixedly connected to the drive shaft of the second motor, and a plurality of second stirring blades disposed on the side shaft; both the first and second stirring blades are inclined in the same direction, and the rotation directions of the main shaft and the side shaft are opposite. This application can improve the mixing effect.

Description

Technical Field

[0001] This application relates to the field of mixing equipment, and more particularly to a solid powder mixer. Background Technology

[0002] Mixers are widely used in chemical, food, and pharmaceutical industries, and are key equipment for achieving uniform mixing of materials. By increasing the contact area and dispersion of materials, mixers can significantly promote chemical reactions or physical mixing processes, thereby improving production efficiency and product quality. With the development of industrial technology, mixer designs are constantly innovating to meet increasingly complex and refined production needs, making them an indispensable piece of equipment in modern industrial production.

[0003] In existing technologies, a single stirring rod mechanism is typically used to achieve uniform mixing of materials. This structure relies primarily on the rotational motion of a single axis to drive the stirring blades and mix the materials. Additionally, some mixers improve the mixing effect by increasing the mixing time or adjusting the mixing speed. However, these methods are often limited to a single stirring mode and are insufficient to effectively solve the mixing problems of complex material systems.

[0004] Because the single-stirring mechanism results in a unidirectional material flow, it fails to adequately break up agglomerated particles, easily creating mixing dead zones and leading to uneven mixing. This not only affects the quality of the final product but may also necessitate repeated mixing operations, significantly reducing production efficiency and resulting in poor performance. Utility Model Content

[0005] To address the aforementioned technical problems, this application provides a solid powder mixer.

[0006] This application provides a solid powder mixer, which adopts the following technical solution:

[0007] A solid powder mixer includes a mixing tank, a first stirring mechanism and a second stirring mechanism disposed in the mixing tank, a feed hopper disposed at the top of the mixing tank, a discharge port disposed at the bottom of the mixing tank, a discharge mechanism for sealing the discharge port, a fixing ring disposed on the outside of the mixing tank, and support rods disposed on opposite sides of the fixing ring; the first stirring mechanism includes a first motor disposed at the center of the top of the mixing tank, a main shaft fixedly connected to the drive shaft of the first motor, and a plurality of first stirring blades disposed on the main shaft; the second stirring mechanism includes a plurality of second stirring mechanisms arranged in a circumferential array outside the first stirring mechanism; the second stirring mechanism includes a second motor disposed at the top of the mixing tank, a side shaft fixedly connected to the drive shaft of the second motor, and a plurality of second stirring blades disposed on the side shaft; the first stirring blades and the second stirring blades are both inclined and in the same direction; the rotation directions of the main shaft and the side shaft are opposite.

[0008] By adopting the above technical solution, the combined use of the first and second stirring mechanisms achieves multi-axis stirring, enriches the flow direction of materials, and improves the mixing effect. Both the first and second stirring blades are inclined in the same direction, while the main shaft and side shaft rotate in opposite directions. This further enhances the tumbling and mixing of materials by the first and second stirring mechanisms, effectively avoiding the problem of uneven mixing caused by a single stirring direction, and significantly improving mixing efficiency and uniformity.

[0009] Preferably, the first stirring blades located at the upper and lower ends of the main shaft are tilted in opposite directions, and the second stirring blades located at the upper and lower ends of the side shaft are tilted in opposite directions.

[0010] By adopting the above technical solution, the first and second stirring blades are set with opposite inclination directions at the upper and lower ends of the main shaft and side shaft, respectively, which can further enrich the flow path of the material in the mixing tank. This design allows the material to be fully mixed not only in the horizontal direction, but also to create an up-and-down tumbling effect in the vertical direction, thereby significantly improving the mixing uniformity and avoiding the uneven mixing problem caused by traditional unidirectional stirring. In addition, the opposite inclination directions can also enhance the interaction between materials, increase the contact area, and further promote the mixing effect.

[0011] Preferably, the bottom of the mixing tank is provided with a support plate, the support plate has a through hole for material discharge, the end of the main shaft away from the first motor is rotatably connected to the support plate, and the end of the side shaft away from the second motor is rotatably connected to the support plate.

[0012] By adopting the above technical solution, the support plate provides a stable support structure at the bottom of the mixing tank, while the through holes in the support plate facilitate material discharge from the mixing tank. The main shaft and side shaft are rotatably connected to the support plate, ensuring stable rotation of the first and second mixing mechanisms during operation and improving the reliability of the mixing process. Furthermore, this connection method reduces potential vibration and shaking during mixing, further enhancing the operational stability of the equipment.

[0013] Preferably, a first scraper is provided at the end of the main shaft away from the first motor, and a second scraper is provided at the end of the side shaft away from the second motor. Both the first scraper and the second scraper are used to clean the support plate.

[0014] By adopting the above technical solution, the arrangement of the first and second scrapers can effectively clean the residual material on the surface of the support plate, preventing material from accumulating or clumping on the support plate, thereby avoiding obstruction to the discharge process and ensuring smooth discharge. At the same time, this design also helps to keep the inside of the equipment clean and extend its service life.

[0015] Preferably, the discharge mechanism includes a baffle for blocking the discharge port, a first limiting groove formed on the support rod, a cylinder connected to the baffle, and a support block for supporting the cylinder, wherein the baffle is slidably connected to the first limiting groove.

[0016] By adopting the above technical solution, the baffle is slidably connected to the first limiting groove, allowing the support rod to support the baffle, thereby achieving precise sealing and opening of the discharge port. The cylinder provides power support for the movement of the baffle, making the discharge process more automated and efficient. The support block supports the cylinder, enhancing the stability of the overall structure.

[0017] Preferably, a limiting plate is provided on the side of the support rod near the cylinder, and a second limiting groove is provided on the limiting plate. The second limiting groove is connected to the first limiting groove, and the baffle is slidably connected to the second limiting groove.

[0018] By adopting the above technical solution, a limit plate is provided on the side of the support rod of the solid powder mixer near the cylinder. A second limit groove is opened on the limit plate, and the baffle is slidably connected to the second limit groove. This design makes the baffle have a more stable guiding effect during sliding, avoiding the baffle from deviating or getting stuck during the discharge process, thereby improving the reliability of the discharge mechanism.

[0019] Preferably, the support rod is provided with a plurality of limiting rods on its outer side, and the plurality of limiting rods are arranged in a circular array on the outer side of the support rod.

[0020] By adopting the above technical solution, multiple limiting rods are arranged in a circular array on the outside of the support rod, which enhances the stability of the overall structure and effectively prevents the support rod from shaking or shifting during operation, thereby ensuring the long-term stable operation of the mixer.

[0021] Preferably, a sealing gasket is provided on the baffle.

[0022] By adopting the above technical solution, a sealing gasket is installed on the baffle of the solid powder mixer, which can effectively improve the sealing performance when the discharge port is blocked, prevent powder leakage during the mixing process, and ensure a clean mixing environment and full utilization of materials. The cooperation between the sealing gasket and the baffle further enhances the reliability of the equipment and avoids uneven mixing problems caused by material leakage.

[0023] In summary, this application has the following beneficial technical effects:

[0024] 1. By setting up multi-axis stirring, including a first stirring mechanism and multiple second stirring mechanisms, the flow direction of materials is enriched, effectively avoiding mixing dead zones and significantly improving the mixing uniformity of materials;

[0025] 2. Both the first and second stirring blades are inclined in the same direction, and the main shaft and the side shaft rotate in opposite directions, so that the first and second stirring mechanisms drive the material flow in different directions, which further optimizes the material flow path, enhances the material tumbling and dispersion effect, and thus improves the mixing efficiency.

[0026] 3. The first stirring blades located at the upper and lower ends of the main shaft are tilted in opposite directions, and the second stirring blades located at the upper and lower ends of the side shaft are tilted in opposite directions, which realizes multi-level mixing of materials in the vertical direction, improves the problem of the single flow direction of traditional single-shaft mixing, and ensures more thorough mixing. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the solid powder mixer provided in the embodiments of this application;

[0028] Figure 2 This is a cross-sectional structural schematic diagram of the solid powder mixer provided in the embodiments of this application;

[0029] Figure 3 This is a cross-sectional view of the solid powder mixer provided in the embodiments of this application.

[0030] Explanation of reference numerals in the attached drawings: 1. Mixing tank; 11. Feed hopper; 12. Discharge port; 13. Fixing ring; 14. Support rod; 15. Support plate; 16. Through hole; 17. Limiting rod; 2. First mixing mechanism; 21. First motor; 22. Main shaft; 23. First mixing blade; 24. First scraper; 3. Second mixing mechanism; 31. Second motor; 32. Side shaft; 33. Second mixing blade; 34. Second scraper; 4. Discharge mechanism; 41. Baffle; 42. First limiting groove; 43. Cylinder; 44. Support block; 45. Sealing gasket; 46. Limiting plate; 47. Second limiting groove. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0032] This application discloses a solid powder mixer.

[0033] Reference Figure 1 , Figure 2 and Figure 3 A solid powder mixer includes a mixing tank 1, a first stirring mechanism 2 and a second stirring mechanism 3 disposed within the mixing tank 1, a feed hopper 11 disposed at the top of the mixing tank 1, a discharge port 12 disposed at the bottom of the mixing tank 1, a discharge mechanism 4 for sealing the discharge port 12, a fixing ring 13 fixedly disposed on the outside of the mixing tank 1, and support rods 14 fixedly disposed on opposite sides of the fixing ring 13. The first stirring mechanism 2 includes a first motor 21 fixedly disposed at the center of the top of the mixing tank 1, a main shaft 22 fixedly connected to the drive shaft of the first motor 21, and a plurality of first stirring blades 23 disposed on the main shaft 22. There are four second stirring mechanisms 3, arranged in a circular array outside the first stirring mechanism 2. Each second stirring mechanism 3 includes a second motor 31 fixedly disposed at the top of the mixing tank 1, a side shaft 32 fixedly connected to the drive shaft of the second motor 31, and a plurality of second stirring blades 33 fixedly disposed on the side shaft 32. Both the first stirring blades 23 and the second stirring blades 33 are inclined in the same direction, and the rotation directions of the main shaft 22 and the side shaft 32 are opposite. There are two feed hoppers 11, which are symmetrically arranged on opposite sides of the first motor 21.

[0034] The first stirring blades 23 located at the upper and lower ends of the main shaft 22 are tilted in opposite directions, and the second stirring blades 33 located at the upper and lower ends of the side shaft 32 are tilted in opposite directions.

[0035] A support plate 15 is fixedly installed at the bottom of the mixing tank 1. The support plate 15 has a through hole 16 for discharging material. The end of the main shaft 22 away from the first motor 21 is rotatably connected to the support plate 15 through a bearing. The end of the side shaft 32 away from the second motor 31 is rotatably connected to the support plate 15 through a bearing. In the embodiment of this application, the support plate 15 has a cross structure.

[0036] A first scraper 24 is fixedly mounted on the end of the main shaft 22 away from the first motor 21, and a second scraper 34 is fixedly mounted on the end of the side shaft 32 away from the second motor 31. Both the first scraper 24 and the second scraper 34 are used to clean the support plate 15. Both the first scraper 24 and the second scraper 34 abut against the support plate 15.

[0037] The discharge mechanism 4 includes a baffle 41 for blocking the discharge port 12, a first limiting groove 42 formed on the support rod 14, a cylinder 43 fixedly connected to the baffle 41, and a support block 44 for supporting the cylinder 43. The cylinder 43 is fixedly connected to the support block 44, and the baffle 41 is slidably connected to the first limiting groove 42. The first limiting groove 42 is formed on the support rod 14 located at both ends of the fixed ring 13. A sealing gasket 45 is fixedly installed on the baffle 41.

[0038] A limiting plate 46 is fixedly installed on the side of the support rod 14 near the cylinder 43. A second limiting groove 47 is provided on the limiting plate 46. The second limiting groove 47 is connected to the first limiting groove 42. The baffle 41 is slidably connected to the second limiting groove 47.

[0039] Two limiting rods 17 are provided on the outer side of the support rod 14. The two limiting rods 17 are located on opposite sides of the support rod 14. One limiting rod 17 is located on the side of the support rod 14 closer to the cylinder 43, and the other limiting rod 17 is located on the side of the support rod 14 away from the cylinder 43.

[0040] The implementation principle of a solid powder mixer according to an embodiment of this application is as follows: The multi-shaft stirring mechanism enables the material to flow in multiple directions within the mixing tank 1. In particular, the design of the first stirring blade 23 and the second stirring blade 33 having the same inclination direction while the main shaft 22 and the side shaft 32 rotate in opposite directions further enriches the material flow direction and significantly improves the mixing effect. The opposite inclination directions of the first stirring blade 23 located at the upper and lower ends of the main shaft 22 and the second stirring blade 33 located at the upper and lower ends of the side shaft 32 help to form a more complex material flow path, avoid material accumulation, and thus improve the mixing uniformity. The support plate 15 provides a stable mounting base for the stirring mechanism and provides reliable support for the rotation of the main shaft 22 and the side shaft 32. The addition of the first scraper 24 and the second scraper 34 effectively cleans the residual material on the surface of the support plate 15, preventing uneven mixing caused by material adhesion. The baffle 41 in the discharge mechanism 4 cooperates with the limiting groove to achieve precise sealing and opening of the discharge port 12, while the use of the cylinder 43 ensures the automation and convenience of operation. The limiting plate 46 and the connected second limiting groove 47 further improve the stability and reliability of the sliding of the baffle 41. The two limiting rods 17 are set on opposite sides of the support rod 14, which enhances the stability of the overall structure and effectively prevents the support rod 14 from shaking or shifting during operation, thereby ensuring the long-term stable operation of the mixer.

[0041] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A solid powder mixer characterized by: The mixing tank includes a mixing tank (1), a first mixing mechanism (2) and a second mixing mechanism (3) disposed in the mixing tank (1), a feed hopper (11) disposed on the top of the mixing tank (1), a discharge port (12) opened at the bottom of the mixing tank (1), a discharge mechanism (4) for sealing the discharge port (12), a fixing ring (13) disposed on the outside of the mixing tank (1), and support rods (14) disposed on opposite sides of the fixing ring (13); the first mixing mechanism (2) includes a first motor (21) disposed at the center of the top of the mixing tank (1), a main shaft (22) fixedly connected to the drive shaft of the first motor (21), and multiple components disposed in the mixing tank (1). The first stirring blade (23) on the main shaft (22) and the number of the second stirring mechanism (3) are multiple. The multiple second stirring mechanisms (3) are arranged in a circumferential array outside the first stirring mechanism (2). The second stirring mechanism (3) includes a second motor (31) set on the top of the stirring tank (1), a side shaft (32) fixedly connected to the transmission shaft of the second motor (31) and multiple second stirring blades (33) set on the side shaft (32). The first stirring blade (23) and the second stirring blade (33) are both inclined and in the same direction. The rotation direction of the main shaft (22) is opposite to that of the side shaft (32).

2. A solid powder mixer according to claim 1, characterized in that: The first stirring blades (23) located at the upper and lower ends of the main shaft (22) are inclined in opposite directions, and the second stirring blades (33) located at the upper and lower ends of the side shaft (32) are inclined in opposite directions.

3. A solid powder mixer according to claim 2, wherein: The bottom of the mixing tank (1) is provided with a support plate (15), and the support plate (15) is provided with a through hole (16) for discharging material. The end of the main shaft (22) away from the first motor (21) is rotatably connected to the support plate (15), and the end of the side shaft (32) away from the second motor (31) is rotatably connected to the support plate (15).

4. A solid powder mixer according to claim 3, wherein: The main shaft (22) is provided with a first scraper (24) at the end away from the first motor (21), and the side shaft (32) is provided with a second scraper (34) at the end away from the second motor (31). Both the first scraper (24) and the second scraper (34) are used to clean the support plate (15).

5. A solid powder mixer according to claim 4, characterized in that: The discharge mechanism (4) includes a baffle (41) for blocking the discharge port (12), a first limiting groove (42) opened on the support rod (14), a cylinder (43) connected to the baffle (41) and a support block (44) for supporting the cylinder (43), wherein the baffle (41) is slidably connected to the first limiting groove (42).

6. A solid powder mixer according to claim 5, characterized in that: The support rod (14) is provided with a limiting plate (46) on the side near the cylinder (43). The limiting plate (46) has a second limiting groove (47) which is connected to the first limiting groove (42). The baffle (41) is slidably connected to the second limiting groove (47).

7. A solid powder mixer according to claim 6, characterized in that: Multiple limiting rods (17) are provided on the outer side of the support rod (14), and the multiple limiting rods (17) are arranged circumferentially along the support rod (14).

8. A solid powder mixer according to claim 7, characterized in that: A sealing gasket (45) is provided on the baffle (41).

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